Lockheed Saturn (oz5386)

 

Lockheed Saturn (oz5386) by Sid Struhl 1947 - plan thumbnail

About this Plan

Lockheed Saturn. Rubber scale twin model.

Quote: "We present this month a most unusual rubber powered flying scale model - the Lockheed Saturn, which lends itself admirably for this type of model. The force arrangements and setup are almost perfect for stable flight, and the engine nacelle and stabilizer location provide just the proper amount of down thrust.

But a word about the 'big job' before we get into the model; the Saturn was designed as either a short haul or feeder line passenger-cargo transport. It also lends itself nicely as a corporation personnel traasport. The ship is powered by two 525 hp engines and has a top speed of over 240 mph carrying 24 passengers and baggage. The extreme simplicity of operation has kept the operating cost per mile very low. Crew consists of two men.

The model is a very pleasing performer. Takeoffs and landings are particularly nice with the tricycle landing gear, Obviously propeller torque, one of model aircraft's biggest bugaboos, is eliminated with the counter-rotating props. Although extra work is involved in winding up the motors, the flying results are more than worth the effort.

The preliminary flights were held indoors where we found that 4 strands of 1/8 flat brown rubber in each motor was powerful enough to have model 'dead stick' at about 30 feet. We attribute this feat to the careful selection of material we put into the model. For example, all structures that had no stress on them (nose block, nacelles, wingtips, etc) were cut from the lightest indoor grade balsa obtainable. Colored dope was shied away from except on props and wheels. In other words a definite effort was made to keep the weight of the model to a minimum.

Although the model is a twin-engined flying scale, don't let this fact frighten you. A short study of the plans will convince you that the construction is as simple as can be and even beginners should have no difficulty. The only catch for the 'lazy hounds' is the fact that you can't purchase the propellers. They must be carved as shown because no model manufacturerers produce a left handed prop. But both props shouldn't take over an hour's work, so buckle down, sharpen your knives and dig in.

The plans are drawn to a convenient scale and may be enlarged by employing a set of dividers or the 1/2 in graphs.

First cut the fuselage bulkheads, fuselage keel and wing ribs from 1/16 sheet balsa, and the two nacelle bulkheads from 3/16 sheet, Use light quarter grained balsa for these parts. Pin the fuselage keel over the plans and cement the bulkheads in their proper locations, checking the alignment..."

Direct submission to Outerzone.

Hi Steve - Here is Sidney Struhl's Lockheed Saturn from Model Airplane News magazine issue 12-47.

Supplementary file notes

Article.

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Lockheed Saturn (oz5386) by Sid Struhl 1947 - model pic

Datafile:
  • (oz5386)
    Lockheed Saturn
    by Sid Struhl
    from Model Airplane News
    December 1947 
    32in span
    Scale Rubber F/F Multi Civil
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 07/03/2014
    Filesize: 446KB
    Format: • PDFbitmap
    Credit*: theshadow

ScaleType:
  • Lockheed_Saturn | help
    see Wikipedia | search Outerzone


    ScaleType: This (oz5386) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.

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    ScaleType is formed from the last part of the Wikipedia page address, which here is https://en.wikipedia.org/wiki/Lockheed_Saturn
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    Corrections? Use the correction form to tell us the new/better ScaleType link we should be using. Thanks.

Lockheed Saturn (oz5386) by Sid Struhl 1947 - pic 003.jpg
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Lockheed Saturn (oz5386) by Sid Struhl 1947 - pic 004.jpg
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  • Lockheed Saturn (oz5386)
  • Plan File Filesize: 446KB Filename: Lockheed_Saturn-MAN-12-47_oz5386.pdf
  • Supplement Filesize: 836KB Filename: Lockheed_Saturn-MAN-12-47_oz5386_article.pdf
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Notes

* Credit field

The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.

Scaling

This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.

 

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